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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2011-02-21 12:54:48 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-02-22 15:56:16 +0000 |
| commit | 8408c282f0cf34ee166df5f842f2861d245407fd (patch) | |
| tree | 9a533744a3860b45de0f6dd08f2255835971624e /drivers/gpu/drm/i915/i915_gem_execbuffer.c | |
| parent | fca874092597ef946b8f07031d8c31c58b212144 (diff) | |
| download | linux-8408c282f0cf34ee166df5f842f2861d245407fd.tar.gz | |
drm/i915: First try a normal large kmalloc for the temporary exec buffers
As we just need a temporary array whilst performing the relocations for the execbuffer, first attempt to allocate using kmalloc even if it is not of order page-0. This avoids the overhead of remapping the discontiguous array and so gives a moderate boost to execution throughput. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_execbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_execbuffer.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index a72e7b2cb048..f0c93b2e6c68 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -1306,7 +1306,11 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data, return -EINVAL; } - exec2_list = drm_malloc_ab(sizeof(*exec2_list), args->buffer_count); + exec2_list = kmalloc(sizeof(*exec2_list)*args->buffer_count, + GFP_KERNEL | __GFP_NOWARN | __GFP_NORETRY); + if (exec2_list == NULL) + exec2_list = drm_malloc_ab(sizeof(*exec2_list), + args->buffer_count); if (exec2_list == NULL) { DRM_ERROR("Failed to allocate exec list for %d buffers\n", args->buffer_count); |